1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
"use strict"
define(['jquery', 'FileSaver', 'rz_core'], function ($, saveAs, rz_core) {
$('.tutorial').click(function(){});
var key="#47989379";
$('.save a').click(function(){
var json = rz_core.main_graph.save_to_json();
console.log('saving to local storage ' + json.length + ' bytes');
localStorage.setItem(key, json);
});
$('#btn_export').click(function() {
var json = rz_core.main_graph.save_to_json();
var filename = 'graph.json';
var blob = new Blob([json], {type: 'application/json'});
console.log('saving ' + json.length + ' bytes to ' + filename);
saveAs(blob, filename);
});
$('.url-copy a').click(function() {
var json = rz_core.main_graph.save_to_json();
// TODO use jquery BBQ $.param({json: json});
var encoded = document.location.origin + '/?json=' + encodeURIComponent(json);
window.prompt('Copy to clipboard: Ctrl-C, Enter (or Cmd-C for Mac)', encoded);
});
var really_load = function() {
if (!rz_core.main_graph.empty()) {
return confirm('All unsaved changes will be deleted, are you sure?');
}
return true;
}
$('.file-import').on('change', function(event) {
var file = event.target.files[0];
var reader;
if (!really_load()) {
return;
}
if (file === undefined) {
return;
}
console.log(file);
reader = new FileReader();
reader.onload = (function(theFile) {
return function(e) {
var result = e.target.result;
if (e.target.readyState === FileReader.DONE) {
console.log('done reading ' + theFile.name);
console.log('got #' + result.length + ' bytes in ' + typeof(result));
rz_core.load_from_json(result);
}
}
})(file);
reader.readAsText(file, "text/javascript");
});
$('.local-storage-load a').click(function(){
if (!really_load()) {
return;
}
var json_blob = localStorage.getItem(key)
rz_core.load_from_json(json_blob);
});
var logout_button = $('#btn-logout');
logout_button.click(function() {
$.ajax({
type: "POST",
url: '/logout',
success: function () {
document.location = "/login";
},
error: function () {
console.log("failed to logout");
document.location = "/login";
},
}); // server should redirect back to /login
});
$('a.save-history').click(function () {
if (rz_core.main_graph.history === undefined) {
throw "History is undefined";
}
rz_core.main_graph.history.save_to_file();
});
function log_scale(max_in, min_out, max_out) {
var t = (min_out * max_out - 1) / (min_out + max_out - 2),
k = 1 / max_in * Math.log((max_out - t) / (1 - t));
return function (x) { return (1 - t) * Math.exp(x * k) + t; };
}
function exp_scale(max_in, min_out, max_out) {
var t = (min_out * max_out - 1) / (min_out + max_out - 2),
k = 1 / max_in * Math.log((max_out - t) / (1 - t));
return function (y) { return (1 / k) * Math.log((y - t) / (1 - t)); };
}
function clip(min, max, v) {
return Math.max(min, Math.min(max, v));
}
var zoom_range = 10,
zoom_min = 0.1,
zoom_max = 3,
zoom_exp_to_linear = exp_scale(zoom_range, zoom_min, zoom_max);
$('#btn_zoom_in').asEventStream('click')
.map(1)
.merge($('#btn_zoom_out').asEventStream('click').map(-1))
.map(function (change) {
return clip(-zoom_range, zoom_range, zoom_exp_to_linear(rz_core.main_graph_view.zoom_obj.scale()) + change);
})
.map(log_scale(zoom_range, zoom_min, zoom_max))
.onValue(rz_core.main_graph_view.scale__absolute);
return {'buttons': 'nothing here'};
}); // define
|
